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            <h2 class="title" style="clear: both"><a id="jca"></a>JCA Support</h2>
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      <p>
        <span class="emphasis"><em>JCA</em></span> is the <span class="emphasis"><em>Java Connector Architecture</em></span>. This architecture provides a standard for connecting
        the J2EE platform to legacy enterprise information systems (EIS), such as ERP systems, database systems, and
        legacy applications not written in Java. JE supports this architecture.
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      <p>
        Users who want to run JE within a J2EE Application Server can use the JCA Resource Adapter to connect to
        JE through a standard API. Note that the base API is required if you want to do this. 
        The JE Resource Adapter supports all three J2EE application server transaction
        types: 
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                No transaction.
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                Local transactions.
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            <p>
                XA transactions.
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      <p>
        JCA also includes the Java Transaction API (JTA), which means that JE supports 2 phase commit (XA).
        Therefore, JEs can participate in distributed transactions managed by either a J2EE server or the
        applications direct use of the JTA API.
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      <p>
        The JE distribution includes an example showing JCA usage in a simple EJB. The Resource Adaptor has been
        tested using JBoss 3.2.6, and the Sun Java System Application Server, version 8.1. Instructions for how to build
        the Resource Adapter and run a simple "smoke test" example for each of the application servers can be found
        here:
    </p>
      <pre class="programlisting"><span class="emphasis"><em>JE_HOME</em></span>/examples/jca/HOWTO-jboss.txt</pre>
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        and
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      <pre class="programlisting"><span class="emphasis"><em>JE_HOME</em></span>/examples/jca/HOWTO-sjsas.txt</pre>
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